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|                 Lenovo Variable Tool                |

|                           v2.23 LCFC SW1 2015/12/17 |

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Usage:

  LVAR.exe /?                   This help screen

  LVAR.exe /? /v                Display supported variables

  LVAR.exe /r /xx               Read xx variable and display it

  LVAR.exe /r /xx /f 1.bin      Read xx variable and save it to 1.bin

  LVAR.exe /w /xx /f 1.bin      Write 1.bin to BIOS

  LVAR.exe /w /xx /c "1234 5"   Write string "1234 5" to BIOS

  LVAR.exe /w /xx /b "12 3 ab"  Write binary data 0x12, 0x3, 0xab to BIOS

  LVAR.exe /d /xx               Delete xx variable

  LVAR.exe /l /xx               Lock xx variable, make it read only

  LVAR.exe /u /xx /c "Password" Use "Password" to unlock xx variable

  LVAR.exe /m /xx "1 a 10" /c "A0m"

    Modify xx variable offset 0x1, 0xa, 0x10 (1 based) to data A, 0, m

  LVAR.exe /m /xx "1 a 10" /b "11 00 ab"

    Modify xx variable offset 0x1, 0xa, 0x10 (1 based) to data 0x11, 0x00, 0xab

xx:

  /pn : Product Name

  /pjn : Project Name

  /pn2 : Project Name (same as /pjn)

  /mt : MTM number

  /sn : Serial Number1

  /ln : Lenovo SN

  /uu : UUID

  /bt : Brand Type

  /kd : Keyboard ID

  /el : EPA ID

  /fl : Function flag

  /cd : Customer

  /fd : Family Name

  /at : Asset Tag

  /msdm : OA3 MSDM data

  /slic : OA2 SLIC data

  /osp : OS PN number

  /oss : OS descriptor

  /cf : The 64bit configuration variable

  /mfg : For MFG internal use

  /oa3keyid : OA3 key ID

  /mfgmode : Y indicate in the MFG Mode

  Any help please call dahai.zhou@lcfuturecenter.com